Anthropic Blocks Foreigners From Using Mythos and Fable AI

The U.S. government ordered Anthropic to suspend access for all foreign nationals to its Fable 5 and Mythos 5 AI models, citing national security concerns.
The suspension impacted foreign nationals, including those who work for Anthropic, and the duration of this limitation remains unclear.
This order represents a new challenge in Anthropic’s relationship with the federal government and is a rare example of regulatory intervention in a technology firm’s operations.
It’s the second time the Trump administration has targeted Anthropic; previously, the Pentagon declared Anthropic an unacceptable supply chain risk.
Foreign restrictions could theoretically even block employees from allied nations like Canada and Britain from working on the AI models.
Anthropic believes the government’s decision was an overreaction and is working to restore access.
Mythos and Fable 5 were unveiled with limitations to prevent misuse by hackers, which the government seems to have endorsed.
The order contrasts with other recent Trump administration policies that allowed some advanced AI chips to be sold to China, raising eyebrows among experts.

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